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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "platform/weborigin/DatabaseIdentifier.h"
#include "platform/weborigin/KURL.h"
#include "platform/weborigin/KnownPorts.h"
#include "platform/weborigin/SchemeRegistry.h"
#include "platform/weborigin/SecurityOriginCache.h"
#include "platform/weborigin/SecurityPolicy.h"
#include "wtf/HexNumber.h"
#include "wtf/MainThread.h"
#include "wtf/StdLibExtras.h"
#include "wtf/text/StringBuilder.h"
namespace WebCore {
const int maxAllowedPort = 65535;
static const char separatorCharacter = '_';
PassRefPtr<SecurityOrigin> createSecurityOriginFromDatabaseIdentifier(const String& databaseIdentifier)
{
if (!databaseIdentifier.containsOnlyASCII())
return SecurityOrigin::createUnique();
// Make sure there's a first separator
size_t separator1 = databaseIdentifier.find(separatorCharacter);
if (separator1 == kNotFound)
return SecurityOrigin::createUnique();
// Make sure there's a second separator
size_t separator2 = databaseIdentifier.reverseFind(separatorCharacter);
if (separator2 == kNotFound)
return SecurityOrigin::createUnique();
// Ensure there were at least 2 separator characters. Some hostnames on intranets have
// underscores in them, so we'll assume that any additional underscores are part of the host.
if (separator1 == separator2)
return SecurityOrigin::createUnique();
// Make sure the port section is a valid port number or doesn't exist
bool portOkay;
int port = databaseIdentifier.right(databaseIdentifier.length() - separator2 - 1).toInt(&portOkay);
bool portAbsent = (separator2 == databaseIdentifier.length() - 1);
if (!(portOkay || portAbsent))
return SecurityOrigin::createUnique();
if (port < 0 || port > maxAllowedPort)
return SecurityOrigin::createUnique();
// Split out the 3 sections of data
String protocol = databaseIdentifier.substring(0, separator1);
String host = databaseIdentifier.substring(separator1 + 1, separator2 - separator1 - 1);
// Make sure the components match their canonical representation so we are sure we're round tripping correctly.
KURL url(KURL(), protocol + "://" + host + ":" + String::number(port) + "/");
if (!url.isValid() || url.protocol() != protocol || url.host() != host)
return SecurityOrigin::createUnique();
return SecurityOrigin::create(url);
}
String createDatabaseIdentifierFromSecurityOrigin(const SecurityOrigin* securityOrigin)
{
// Historically, we've used the following (somewhat non-sensical) string
// for the databaseIdentifier of local files. We used to compute this
// string because of a bug in how we handled the scheme for file URLs.
// Now that we've fixed that bug, we still need to produce this string
// to avoid breaking existing persistent state.
if (securityOrigin->needsDatabaseIdentifierQuirkForFiles())
return "file__0";
String separatorString(&separatorCharacter, 1);
return securityOrigin->protocol() + separatorString + securityOrigin->host() + separatorString + String::number(securityOrigin->port());
}
} // namespace WebCore
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